Home / 355,694,977.25-490,859,068.61-192,903,553.25

Finding the Fourth Proportional to 355,694,977.25, 490,859,068.61 and 192,903,553.25

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Solution

The fourth proportional to 355,694,977.25, 490,859,068.61 and 192,903,553.25 is: 266,206,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,694,977.25 : 490,859,068.61 = 192,903,553.25 : x
  2. Step 2: Convert to fraction form
    355,694,977.25/490,859,068.61 = 192,903,553.25/x
  3. Step 3: Cross multiply
    355,694,977.25x = 490,859,068.61 × 192,903,553.25
  4. Step 4: Simplify right side
    355,694,977.25x = 94,688,458,478,890,032
  5. Step 5: Solve for x
    x = 94,688,458,478,890,032/355,694,977.25
  6. Step 6: Final answer
    x = 266,206,903.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.